$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-base.git /var/lib/mock/f37-build-644997-72263/root/chroot_tmpdir/scmroot/ocaml-ppx-base
Cloning into '/var/lib/mock/f37-build-644997-72263/root/chroot_tmpdir/scmroot/ocaml-ppx-base'...
$ git reset --hard 757fd4bcae085581923f4c554db3816ddcdcbed0
HEAD is now at 757fd4b Rebuild for ocaml-ppxlib 0.27.0.